PTCT Form 144: Proposed resale of 65 common shares

PTCT submitted a Form 144 notice for the proposed sale of 65 common shares associated with restricted stock vesting on 02/17/2026.

Rhea-AI Filing Summary

PTCT submitted a Form 144 notice for the proposed sale of 65 common shares associated with restricted stock vesting on 02/17/2026. The filing also lists multiple insider sales during the prior three months by Neil G. Almstead and Zheng Y. Almstead, with individual transactions dated 11/24/2025 through 01/08/2026 and share amounts and gross proceeds disclosed for each trade.

Insights

Insider Transactions Compliance

Form 144 records a small proposed resale tied to compensated restricted stock and several recent insider disposals.

The filing shows a proposed sale of 65 common shares linked to a restricted stock vesting event on 02/17/2026. It lists prior reported dispositions by Neil G. Almstead and Zheng Y. Almstead with dates and gross proceeds for each trade.

These entries are routine regulatory notices that permit resale under applicable exemptions; cash‑flow treatment and whether the proposed sale completed are not stated in the excerpt.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does PTCT's Form 144 report?

The filing reports a proposed resale of 65 common shares tied to restricted stock vesting on 02/17/2026. It also lists multiple insider sales by Neil and Zheng Almstead between 11/24/2025 and 01/08/2026, with share counts and gross proceeds.

Who are the insiders named in the PTCT Form 144?

The filing names Neil G. Almstead and Zheng Y. Almstead as parties with recent transactions. Multiple dispositions by Neil and smaller dispositions by Zheng are shown with dates and per‑trade gross proceeds in the excerpt.

How many shares and proceeds are shown for recent insider sales at PTCT?

The excerpt lists several trades: Neil sold 35,572, 71,928, and smaller lots; listed gross proceeds include 2852153.65 and 6001524.59. Individual trade dates run from 11/24/2025 to 01/08/2026.

Does the Form 144 confirm the proposed resale was completed for PTCT?

No. The Form 144 excerpt documents a proposed sale of 65 common shares after restricted stock vesting on 02/17/2026. The filing does not state whether the resale completed or who received proceeds.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/18/2026 - 05:06 PM EST Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001970876
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	PTC THERAPEUTICS, INC.
SEC File Number	001-35969
Address of Issuer	500 WARREN CORPORATE CENTER DRIVE WARREN NEW JERSEY 07059
Phone	9082227000
Name of Person for Whose Account the Securities are To Be Sold	Almstead Zheng Yang
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Member of immediate family of any of the foregoing

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	65	4508.18	80288305	02/18/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	02/17/2026	Restricted Stock Vesting	Issuer			65	02/17/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Neil G. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	11/24/2025	35572	2852153.65
Neil G. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	11/25/2025	71928	6001524.59
Neil G. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	01/06/2026	1279	98415.98
Zheng Y. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	01/06/2026	54	4155.17
Neil G. Almstead 500 Warren Corporate Center Drive Warren NJ 07059	Common	01/07/2026	1026	78498.38
Zheng Y. Almstead 500 Warren Corporate Drive Warren NJ 07059	Common	01/07/2026	52	4029.16
Neil G. Almstead 500 Warren Corporate Drive Warren NJ 07059	Common	01/08/2026	881	67351.66
Zheng Y. Almstead 500 Warren Corporate Drive Warren NJ 07059	Common	01/08/2026	59	4510.50

144: Remarks and Signature

Remarks	Sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution. Trades on 11/24/2025, 11/25/2025, 01/06/2026, 01/07/2026, and 01/08/2026 were placed by Neil G. Almstead who is an officer in the company and the spouse of Zheng Y. Almstead.
Date of Notice	02/18/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jared Cook, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Zheng Y. Almstead
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)